# s=str(29)
# print(s)
#
# s=str(0)
# print(s)
#
# s=int(1.99)
# print(s)

# spam=int(input('101'))
spam=input('请输入计算的数:')
# spam=101
print(spam)

spam=int(spam)*10/5
print(str(spam))

